<!DOCTYPE html>
<meta http-equiv="refresh" content="30">
<meta http-equiv="refresh" content="30; url=#">
<meta http-equiv="refresh" content="30; url=#123">
<meta http-equiv="refresh" content="30; url=?id=123">

<meta http-equiv="refresh" content="30; url=basic.html">
<meta http-equiv="refresh" content="30; url=basic.html#">
<meta http-equiv="refresh" content="30; url=basic.html#123">
<meta http-equiv="refresh" content="30; url=basic.html?id=123">

<meta http-equiv="refresh" content="20; url=referred.html">
<meta http-equiv="refresh" content="20; url=referred.html#">
<meta http-equiv="refresh" content="20; url=referred.html#123">
<meta http-equiv="refresh" content="20; url=referred.html?id=123">

<meta http-equiv="refresh" content="15; url=http://example.com">
<meta http-equiv="refresh" content="15; url=http://example.com#">
<meta http-equiv="refresh" content="15; url=http://example.com#123">
<meta http-equiv="refresh" content="15; url=http://example.com?id=123">
